style Vth Brandenburgconcerto : Intro by harpsichord , D-dur 4/4 simple energetic melody, string quartet staccato as rhytm section with baroq style harmony, part2 chord progress to A-dur , violin and viola takes main melody, harpsichord takes prev rhytm section and harmony, part 3 flute in dialog with trumpet takes main melody , string rhytm section again, finale harpsichord jazzy solo with triplets.